#define SAMPLE_RATE	200	/* Sample rate in Hz. */
#define MS_PER_SAMPLE	( (double) 1000/ (double) SAMPLE_RATE)
#define MS10	((int) (10/ MS_PER_SAMPLE + 0.5))
#define MS25	((int) (25/MS_PER_SAMPLE + 0.5))
#define MS30	((int) (30/MS_PER_SAMPLE + 0.5))
#define MS80	((int) (80/MS_PER_SAMPLE + 0.5))
#define MS95	((int) (95/MS_PER_SAMPLE + 0.5))
#define MS100	((int) (100/MS_PER_SAMPLE + 0.5))
#define MS125	((int) (125/MS_PER_SAMPLE + 0.5))
#define MS150	((int) (150/MS_PER_SAMPLE + 0.5))
#define MS160	((int) (160/MS_PER_SAMPLE + 0.5))
#define MS175	((int) (175/MS_PER_SAMPLE + 0.5))
#define MS195	((int) (195/MS_PER_SAMPLE + 0.5))
#define MS200	((int) (200/MS_PER_SAMPLE + 0.5))
#define MS220	((int) (220/MS_PER_SAMPLE + 0.5))
#define MS250	((int) (250/MS_PER_SAMPLE + 0.5))
#define MS300	((int) (300/MS_PER_SAMPLE + 0.5))
#define MS360	((int) (360/MS_PER_SAMPLE + 0.5))
#define MS450	((int) (450/MS_PER_SAMPLE + 0.5))
#define MS1000	SAMPLE_RATE
#define MS1500	((int) (1500/MS_PER_SAMPLE))
#define DERIV_LENGTH	MS10
#define LPBUFFER_LGTH ((int) (2*MS25))
#define HPBUFFER_LGTH MS125

#define WINDOW_WIDTH	MS80			// Moving window integration width.
#define	FILTER_DELAY (int) (((double) DERIV_LENGTH/2) + ((double) LPBUFFER_LGTH/2 - 1) + (((double) HPBUFFER_LGTH-1)/2) + PRE_BLANK)  // filter delays plus 200 ms blanking delay
#define DER_DELAY	WINDOW_WIDTH + FILTER_DELAY + MS100
